98 points! (3x^2^a - 4y^a z^3a )^2

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red